/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package org.skuboard.controller;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.skuboard.model.Student;
import org.skuboard.model.StudentService;

/**
 *
 * @author clockbuilder
 */
@WebServlet(name = "orchestraConductor", loadOnStartup = 1, urlPatterns = {"/viewStudentProfile", "/viewAllStudents", "/createNewStudent"})
public class waiter extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    public void init() throws ServletException {
        //store list of all students in servlet context.
        //Variables stored in the servlet context have application wide scope
        //Placing the reference in the ServletContext means that the reference exists in
        //a scope that is application-wide.
        //getServletContext().setAttribute("listOfAllStudents", studentsFacade.findAll().toString());
    }

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet orchestraConductor</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet orchestraConductor at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
             */
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {


        String url = "";
        String userPath = request.getServletPath();
        String contextPath = request.getContextPath();
        String dirPath = "/WEB-INF/views";
//        if (userPath != null) {
        StudentService studentService = new StudentService();
        if (userPath.equals("/viewStudentProfile")) {
            String studentId = (String) request.getParameter("id");
            if (request.getParameterMap().containsKey("id")) {
                Student studentObject = studentService.viewStudentProfile(studentId);
                request.setAttribute("studentDTO", studentObject);
                request.getRequestDispatcher(dirPath + userPath + ".jsp").forward(request, response);
            }else{
               response.sendRedirect(response.encodeRedirectURL(contextPath + "/viewAllStudents")); 
            }
        } else if (userPath.equals("/viewAllStudents")) {
            //List<Student> listOfAllStudents = studentService.getAllStudents();
            List<Student> listOfAllStudents = studentService.getAllStudents();
            //String listOfAllStudents = studentService.getAllStudentsInfo();
            request.setAttribute("listOfAllStudents", listOfAllStudents);
            request.getRequestDispatcher(dirPath + userPath + ".jsp").forward(request, response);
        } else if (userPath.equals("/createStudent")) {
            request.setAttribute("userType", "student");
           request.getRequestDispatcher("/createUser.jsp").forward(request, response);
            //request.getRequestDispatcher(dirPath + "/addStudent" + ".jsp").forward(request, response);
        }
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);

        //request.getRequestDispatcher(url).forward(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
